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  • Who Engineers?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about engineers. The probe is designed to reveal how students think about who is an engineer and the kind of work engineers do.

  • Iron Bar

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about atoms. The probe is specifically designed to determine whether students can use the idea of atoms to explain why a metal expands when heated.…

  • Biological Evolution

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about biological evolution. The probe is designed to find out if students distinguish the theory of biological evolution from ideas about the origin of…

  • Is It “Fitter”?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about natural selection. The probe is designed to find out how students interpret the commonly used phrase “survival of the fittest.”

  • Camping Trip

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the effect of solar radiation on Earth’s temperature. The probe is designed to find out whether students realize the Earth continues to cool after…

  • Can It Reflect Light?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about reflection. The probe is designed to find out if students recognize that all objects we can see reflect some light.

  • Is Engineering Experimental?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about using experimentation to solve a problem. The probe is designed to see if students recognize that (1) solving a problem in baking is considered…

  • Thermometer

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about thermal expansion. The probe is designed to find out whether students attribute expansion of the space between molecules to the rise of the liquid…

  • Where Does Oil Come From?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about an important fossil fuel used by humans. The probe is designed to reveal how students trace oil back to its original source of material.

  • Teaching the Science of Honeybees

    Reports Article |

  • STEM Career Expos Expose Potential Paths

    Reports Article |

  • $13.2B in Emergency Money for K–12 Schools Now Available

    Blog Post |

  • Is It Made of Molecules?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about molecules. The probe is designed to uncover whether students recognize that objects, materials, and substances of both a biological and physical…

  • An Engineering Design Process

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about an engineering design process. The probe is designed to show how students think of engineering design as a logical sequence. 

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